A. Thyroglossal duct
B. Rathke’s pouch
C. Notochordal process
D. Embryonal disc
✅ The correct answer is option A. Thyroglossal duct.
Medical
The most abundant group of fibres in the PDL are_____________?
A. Trans-septal
B. Horizontal
C. Oblique
D. Apical
✅ The correct answer is option C. Oblique.
When a patient protrudes his tongue, it deviated to the right. Which of the following nerves is damaged ?
A. Left hypoglossal
B. Glossopharyngeal
C. Right hypoglossal
D. Facial nerve
✅ The correct answer is option C. Right hypoglossal.
The effect which is seen due to decrease in serum calcium concentration is_______________?
A. Relaxation of muscle
B. Excitability of the muscle
C. Increase the renal absorption
D. Depression of Nervous system
✅ The correct answer is option B. Excitability of the muscle.
During inferior alveolar nerve block the needle of LA syringe is penetrated into parotid gland which of the following structure is most likely to be penetrated_____________?
A. Lingual nerve
B. Lingual artery
C. Internal carotid artery
D. External carotid artery
✅ The correct answer is option D. External carotid artery.
Which one of the following is a regulatory protein of the muscle ?
A. Troponin
B. Myosin
C. Actin
D. Protein- C
✅ The correct answer is option A. Troponin.
Crown formation of all permanent teeth except third molars is completed between_____________?
A. Birth to 8 years
B. Birth to 12 years
C. Birth to 6 years
D. 6 years to 12 years
✅ The correct answer is option A. Birth to 8 years.
Chronological hypoplasia is_____________?
A. Hypoplasia of local origin
B. Hypoplasia of systemic origin
C. Hypoplasia of hereditary origin
D. None of the above
✅ The correct answer is option B. Hypoplasia of systemic origin.
Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?
A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above
✅ The correct answer is option A. Primary roots show less a accessory and lateral canals.
Which of the following lesions is NOT an infection from human papilloma virus ?
A. Verruca vulgaris
B. Focal epithelial hyperplasia
C. Condyloma acuminatum
D. Keratoacanthoma
✅ The correct answer is option Keratoacanthoma.